You might try a vinyl repair kit if the top is vinyl, with some duct tape or something underneath until it sets, or a patch glued on underneath the repair. If it’s canvas, a patch can be glued or sewn on, again maybe underneath to hide it. In a pinch, if the top is canvas, you could try one of those iron-on patches for jeans, put on underneath. Don’t try that with a vinyl outer layer, it will melt.
Tops tend to tear at stress points as they shrink with age. A goop repair may seal the hole, but it doesn’t relieve the stress that caused the tear in the first place. It will only grow larger. What’s wrong with a sewn patch in the same color as the top? Sew one on the other side and call it a design feature.
Start budgeting for a new top too. The fabric is failing from fatigue. The tear(s) you see are just the first of what is to come.